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- W4253297923 abstract "Abstract Background In patients diagnosed with ductal carcinoma in situ (DCIS) with needle biopsy before surgery, invasive component (IC) is often found in the postoperative tissue, which results in altered post-surgical care. However, there are no clinically available factors to predict IC, and few MRI studies are available for the detection of IC in DCIS patients.Methods Patients with a DCIS diagnosis based on preoperative biopsy, who underwent breast surgery Kangbuk Samsung Hospital between Jan 2005 and June 2018, were retrospectively evaluated. Clinico-pathological and breast MRI factors were compared between DCIS and DCIS with IC in postsurgical specimens.Results Of the 431 patients with a preoperative diagnosis of DCIS, 34 (7.9%) showed IC during the postoperative pathological investigations, and 217 (50.3%) underwent breast MRI. Among MRI-related factors, Mass-like enhancement on MRI was the sole but significant predictor of IC (HR=0.26, C.I.=0.07-0.93, p=0.038), while nipple-areolar complex invasion, enhancement peak and pattern were not statistically significant. Nuclear grade was the only significant predictor of IC in the analysis of other clinico-pathological factors (HR=2.39, C.I.=1.05-5.42, p=0.038 in univariate analysis, HR=2.86, C.I.=1.14-7.14, p=0.025 in multivariate analysis).Conclusions Mass-like enhancement on MRI and high nuclear grade were associated with IC in patients with preoperative diagnosis of DCIS. Considering the high sensitivity of breast MRI for IC, further evaluation of the predictive value of MRI in preoperative DCIS patients is desirable." @default.
- W4253297923 created "2022-05-12" @default.
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- W4253297923 date "2019-08-31" @default.
- W4253297923 modified "2023-09-28" @default.
- W4253297923 title "Predictive factors for the presence of invasive components in patients diagnosed with ductal carcinoma in situ based on preoperative biopsy" @default.
- W4253297923 doi "https://doi.org/10.21203/rs.2.13838/v1" @default.
- W4253297923 hasPublicationYear "2019" @default.
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